public bool GetCurrentFrame(out VideoCameraFrame cameraFrame)
{
cameraFrame = null;
if (bitmapPlayer.Running)
{
bitmapPlayer.GetCurrentImage(out int[,] currentFrame, out long currentFrameNo, out byte[] previewBitmapBytes);
short currentGain = GetCurrentGain();
double currentGamma = GetCurrentGammaValue();
int currentWhiteBalance = GetWhiteBalance();
if (currentGain != 0 || currentGamma != 1.0 || currentWhiteBalance > 0)
{
short brightness = (short)Math.Round(150 * ((double)currentGain / GetMaxGain()));
aviTools.ApplyGammaBrightness(currentFrame, alteredPixels, bitmapPlayer.Width, bitmapPlayer.Height, brightness);
cameraImage.SetImageArray(alteredPixels, bitmapPlayer.Width, bitmapPlayer.Height, SensorType.Monochrome);
cameraFrame = new VideoCameraFrame()
{
Pixels = alteredPixels,
FrameNumber = currentFrameNo,
PreviewBitmapBytes = cameraImage.GetDisplayBitmapBytes()
};
}
else
{
cameraFrame = new VideoCameraFrame()
{
Pixels = currentFrame,
FrameNumber = currentFrameNo,
PreviewBitmapBytes = previewBitmapBytes
};
}
return(true);
}
return(false);
}
public void GetCurrentImage(out int[,] currentFrame, out long currentFrameNo, out byte[] previewBitmapBytes)
{
if (errorBitmap != null)
{
currentFrame = errorPixels;
currentFrameNo = this.currentFrameNo;
previewBitmapBytes = cameraImage.GetBitmapBytes(errorBitmap);
}
else
{
if (playbackBufferSize > 0)
{
lock (syncRoot)
{
if (playbackBuffer.Count > 0)
{
nextBufferedFrame = playbackBuffer.Dequeue();
}
else
{
// There is no new buffered frame
}
}
currentFrame = GetCurrentImageFromBufferedFrame(nextBufferedFrame);
currentFrameNo = nextBufferedFrame.CurrentFrameNo;
}
else
{
currentFrame = GetCurrentImageFromBufferedFrame(this.currentFrame);
currentFrameNo = this.currentFrame.CurrentFrameNo;
}
cameraImage.SetImageArray(currentFrame, width, height, SensorType.Monochrome);
previewBitmapBytes = cameraImage.GetDisplayBitmapBytes();
}
}